USK Bern 2021 Symposium 12. September 2021

Urban Sketchers Symposium 2019 – Amsterdam 27. July 2019

Urban Sketchers Symposium 2019 – Amsterdam 24. July 2019

Haarlem – Warm-up for the USK Symposium 2019 21. July 2019

Urban Sketchers Symposium 2018 – Porto III 21. July 2018

Urban Sketchers Symposium 2018 – Porto II 20. July 2018

Urban Sketchers Symposium 2018 – Porto I 18. July 2018

Urban Sketchers Symposium 2016 – Manchester 1. August 2016

Urban Sketchers Symposium 2016 – Manchester 31. July 2016

Urban Sketchers Symposium 2013 – Barcelona. 13. July 2013